Home / 47,815.11-71,747.37-21,514.41

Finding the Fourth Proportional to 47,815.11, 71,747.37 and 21,514.41

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Solution

The fourth proportional to 47,815.11, 71,747.37 and 21,514.41 is: 32,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,815.11 : 71,747.37 = 21,514.41 : x
  2. Step 2: Convert to fraction form
    47,815.11/71,747.37 = 21,514.41/x
  3. Step 3: Cross multiply
    47,815.11x = 71,747.37 × 21,514.41
  4. Step 4: Simplify right side
    47,815.11x = 1,543,602,334.60
  5. Step 5: Solve for x
    x = 1,543,602,334.60/47,815.11
  6. Step 6: Final answer
    x = 32,282.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.